Symmetries of the Continuous and Discrete Krichever-Novikov Equation

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dc.contributor.authorLevi, D.
dc.contributor.authorWinternitz, P.
dc.contributor.authorYamilov, R.I.
dc.date.accessioned2019-02-15T17:03:19Z
dc.date.available2019-02-15T17:03:19Z
dc.date.issued2011
dc.description.abstractA symmetry classification is performed for a class of differential-difference equations depending on 9 parameters. A 6-parameter subclass of these equations is an integrable discretization of the Krichever-Novikov equation. The dimension n of the Lie point symmetry algebra satisfies 1≤n≤5. The highest dimensions, namely n=5 and n=4 occur only in the integrable cases.uk_UA
dc.description.sponsorshipThis paper is a contribution to the Proceedings of the Conference “Symmetries and Integrability of Difference Equations (SIDE-9)” (June 14–18, 2010, Varna, Bulgaria). The full collection is available at http://www.emis.de/journals/SIGMA/SIDE-9.html. The research of L.D. has been partly supported by the Italian Ministry of Education and Research, PRIN “Continuous and discrete nonlinear integrable evolutions: from water waves to symplectic maps”. The research of P.W. was partly supported by a research grant from NSERC of Canada. R.I.Y. has been partially supported by the Russian Foundation for Basic Research (grant numbers 10-01-00088-a and 11-01-97005-r-povolzhie-a).uk_UA
dc.identifier.citationSymmetries of the Continuous and Discrete Krichever-Novikov Equation / D. Levi, P. Winternitz, R.I. Yamilov // Symmetry, Integrability and Geometry: Methods and Applications. — 2011. — Т. 7. — Бібліогр.: 31 назв. — англ.uk_UA
dc.identifier.issn1815-0659
dc.identifier.other2010 Mathematics Subject Classification: 35B06; 35K25; 37K10; 39A14
dc.identifier.urihttps://nasplib.isofts.kiev.ua/handle/123456789/147657
dc.language.isoenuk_UA
dc.publisherІнститут математики НАН Україниuk_UA
dc.relation.ispartofSymmetry, Integrability and Geometry: Methods and Applications
dc.statuspublished earlieruk_UA
dc.titleSymmetries of the Continuous and Discrete Krichever-Novikov Equationuk_UA
dc.typeArticleuk_UA

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Symmetry, Integrability and Geometry: Methods and Applications, 2011, том 7, випуск за цей рік